Day 44

 <legend> Caption representation <fieldset>of its parent element.

<meter> An element represents <meter>either a numerical value within a specified range, or a fractional value.

<optgroup> Create a set of options within an element <select>.

<option> Defines a content element within the <select>or <optgroup>element <datalist>. The element can therefore be used <option>to represent list elements in various types of lists in an HTML document.